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首页> 外文期刊>Journal of Communications Technology and Electronics >Influence of Variations in the Phase Velocity and Coupling Impedance under the Absorbing Layer on the Output Characteristics of a Wideband Traveling-Wave Tube
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Influence of Variations in the Phase Velocity and Coupling Impedance under the Absorbing Layer on the Output Characteristics of a Wideband Traveling-Wave Tube

机译：吸收层下相速度和耦合阻抗的变化对宽带行波管输出特性的影响

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摘要

The electrodynamic parameters (coupling impedance, slowing factor, and damping factor) of a wideband traveling-wave tube (TWT) are calculated as functions of the surface resistance of the absorbing layer and of the frequency. The data obtained are approximated by quadratic polynomials within a wide range of values of the parameters, and a PC program is developed for computing the coupling impedance and slowing factor in the absorbing layer as functions of the longitudinal distribution of the damping factor and of frequency. The effect of these dependences on the output and statistical characteristics of a wideband TWT is analyzed. It is shown that the maximum effect is produced at the long-wavelength edge of the operating frequency range.
机译：计算宽带行波管（TWT）的电动力学参数（耦合阻抗，减慢系数和阻尼系数），作为吸收层表面电阻和频率的函数。在广泛的参数值范围内，通过二次多项式近似获得的数据，并开发了一个PC程序，用于计算吸收层中的耦合阻抗和减振系数，该系数是阻尼系数和频率的纵向分布的函数。分析了这些依赖性对宽带TWT输出和统计特性的影响。结果表明，在工作频率范围的长波长边缘产生了最大的影响。

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